168040302 has 32 divisors (see below), whose sum is σ = 345071232. Its totient is φ = 54524064.

The previous prime is 168040267. The next prime is 168040303. The reversal of 168040302 is 203040861.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168040303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88588 + ... + 90464.

It is an arithmetic number, because the mean of its divisors is an integer number (10783476).

Almost surely, 2^168040302 is an apocalyptic number.

168040302 is an abundant number, since it is smaller than the sum of its proper divisors (177030930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168040302 is a wasteful number, since it uses less digits than its factorization.

168040302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 168040302 is about 12963.0359869901. The cubic root of 168040302 is about 551.8289548286.

Subtracting from 168040302 its sum of digits (24), we obtain a triangular number (168040278 = T₁₈₃₃₂).

The spelling of 168040302 in words is "one hundred sixty-eight million, forty thousand, three hundred two".